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the screen resolution refuses to change


tux_man
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hi,

after i installed mdv 2009.0 i configured the screen resolution to 1024*768 to fit my monitor

but suddenly i found the screen resolution converted to 800*600 , so i tried to get it back but i couldn't

i'v a nvidia 5200 vga card and compiz, they all working will

but how can i get my screen resolution back ?

any help will be appreciated..

 

 

[moved from Software by spinynorman]

Edited by tux_man
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Where did you change the resolution? It should be changed in the Mandriva control centre>hardware>set up the graphical server>resolution, you should also select your monitor in Monitor, if your specific monitor isn't there then choose something under Generic that matches the resolution and refresh rate you want.

 

What's the output of this in terminal:

su
monitor-edid

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this is the output of the command "monitor-edid"

[root@localhost hossam]# monitor -edid

bash: monitor: command not found

[root@localhost hossam]# monitor-edid

Name: CPD-200EST

EISA ID: SNY0770

Screen size: 33.0 cm x 24.0 cm (16.06 inches, aspect ratio 4/3 or 3/2 = 1.38)

Gamma: 2.5

Analog signal

 

HorizSync 30-70

VertRefresh 50-120

 

# Monitor preferred modeline (60.0 Hz vsync, 31.5 kHz hsync, ratio 4/3, 49 dpi)

ModeLine "640x480" 25.18 640 656 752 800 480 490 492 525 -hsync -vsync

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this is the output of the xorg.conf file

# File generated by XFdrake (rev 247269)

 

# **********************************************************************

# Refer to the xorg.conf man page for details about the format of

# this file.

# **********************************************************************

 

Section "ServerFlags"

#DontZap # disable <Ctrl><Alt><BS> (server abort)

AllowMouseOpenFail # allows the server to start up even if the mouse does not work

#DontZoom # disable <Ctrl><Alt><KP_+>/<KP_-> (resolution switching)

EndSection

 

Section "Module"

Disable "dri"

Load "dbe" # Double-Buffering Extension

Load "v4l" # Video for Linux

Load "extmod"

Load "type1"

Load "freetype"

Load "glx" # 3D layer

EndSection

 

Section "InputDevice"

Identifier "Keyboard1"

Driver "kbd"

Option "XkbModel" "pc105"

Option "XkbLayout" "us,ara(digits)"

Option "XkbOptions" "grp:alt_shift_toggle,grp_led:scroll,compose:rwin"

EndSection

 

Section "InputDevice"

Identifier "Mouse1"

Driver "mouse"

Option "Protocol" "ExplorerPS/2"

Option "Device" "/dev/mouse"

EndSection

 

Section "Monitor"

Identifier "monitor1"

VendorName "Plug'n Play"

ModelName "CPD-200EST"

HorizSync 30-70

VertRefresh 50-120

Option "PreferredMode" "1024x768"

 

# TV fullscreen mode or DVD fullscreen output.

# 768x576 @ 79 Hz, 50 kHz hsync

ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

 

# 768x576 @ 100 Hz, 61.6 kHz hsync

ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616

EndSection

 

Section "Device"

Identifier "device1"

VendorName "nVidia Corporation"

BoardName "NVIDIA GeForce FX series"

Driver "nvidia"

Option "DPMS"

Option "TwinViewOrientation" "Clone"

Option "ModeValidation" "NoWidthAlignmentCheck, NoDFPNativeResolutionCheck"

Option "AddARGBGLXVisuals"

Option "ExactModeTimingsDVI"

Option "TwinView"

EndSection

 

Section "Screen"

Identifier "screen1"

Device "device1"

Monitor "monitor1"

DefaultColorDepth 24

 

Subsection "Display"

Depth 8

Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"

EndSubsection

 

Subsection "Display"

Depth 15

Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"

EndSubsection

 

Subsection "Display"

Depth 16

Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"

EndSubsection

 

Subsection "Display"

Depth 24

Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"

EndSubsection

EndSection

 

Section "ServerLayout"

Identifier "layout1"

InputDevice "Keyboard1" "CoreKeyboard"

InputDevice "Mouse1" "CorePointer"

Screen "screen1"

EndSection

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A suggestion is bruteforcing the resolution:

 

Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"

 

Replace all those lines in xorg.conf with

 

Modes "1024x768"

 

But indeed, either "nvidia-settings" as root or the DE's RANDR manager should amount to the same thing.

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thank you all , but after i ran the nvidai-setteng this message appeared to me

"You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server. "

so i ran the command nvidia-xconfig

so i got the login window in the required resolution but after i looged in the resolution get back t :wall: o 800*600 again

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